Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 872 · 40 questions

How to do it in your head (Look first): A 9, 19 or 99 → round and adjust. Two close numbers → count up (or near doubles when adding). × or ÷ by 4 or 8 → double or halve; other sums → split into tens and ones.

1. 1.9 + 11 =
2. 2.104 ÷ 8 =
3. 3.98 × 9 =
4. 4.88 ÷ 4 =
5. 5.What is the remainder when 91 is divided by 6?
6. 6.48 + ? = 100
7. 7.25% of ₹480 =
8. 8.53 − 36 =
9. 9.Double 38 =
10. 10.108 ÷ 3 =
11. 11.25% of ₹410 =
12. 12.765 ÷ 9 =
13. 13.6 + 5 =
14. 14.71 × 4 =
15. 15.89 + 4 =
16. 16.272 ÷ 8 =
17. 17.5% of ₹250 =
18. 18.200 ÷ 4 =
19. 19.Best estimate of 176 + 333? (a) 500 (b) 700 (c) 300
20. 20.A train leaves at 3:30 and reaches the next city at 4:30. How many minutes is the journey?
21. 21.Double 42 =
22. 22.A train leaves at 8:10 and reaches the next city at 11:15. How many minutes is the journey?
23. 23.86 − 41 =
24. 24.23² =
25. 25.87 − 69 =
26. 26.127 laddoos are packed in boxes of 9. How many laddoos are left over?
27. 27.A film starts at 3:35 and ends at 4:15. How many minutes long is the film?
28. 28.237 ÷ 3 =
29. 29.98 − 31 =
30. 30.28 + 30 =
31. 31.25 + 24 =
32. 32.152 ÷ 8 =
33. 33.A film starts at 7:40 and ends at 10:35. How many minutes long is the film?
34. 34.13 × 8 =
35. 35.What is the remainder when 73 is divided by 8?
36. 36.60 − 22 =
37. 37.1 + ? = 10
38. 38.23 children stand in rows of 5. How many full rows can they make?
39. 39.103 − 97 =
40. 40.You buy a cricket ball for ₹17 and a pen for ₹40. You pay with a ₹100 note. How much change do you get, in rupees?

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths